CentOS7/Let's Encrypt

# yum -y install mod_ssl

IncludeOptional conf.d/*.conf

# vi /etc/httpd/conf.d/virtualhost.conf    <-  新規作成
NameVirtualHost *:80
<VirtualHost *:80>
    ServerAdmin 管理者 emailアドレス
    DocumentRoot /home/www/html
    ServerName www.example.com
</VirtualHost>

#wget https://dl.eff.org/certbot-auto
#chmod a+x certbot-auto
#./certbot-auto

　：
Which names would you like to activate HTTPS for?
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1: www.example.com
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Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel): 1
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for www.example.com
Waiting for verification...
Cleaning up challenges
Created an SSL vhost at /etc/httpd/conf.d/virtualhost-le-ssl.conf
Deploying Certificate to VirtualHost /etc/httpd/conf.d/virtualhost-le-ssl.conf

Please choose whether or not to redirect HTTP traffic to HTTPS, removing HTTP access.
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1: No redirect - Make no further changes to the webserver configuration.
2: Redirect - Make all requests redirect to secure HTTPS access. Choose this for
new sites, or if you're confident your site works on HTTPS. You can undo this
change by editing your web server's configuration.
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Select the appropriate number [1-2] then [enter] (press 'c' to cancel): 2
Redirecting vhost in /etc/httpd/conf.d/virtualhost.conf to ssl vhost in /etc/httpd/conf.d/virtualhost-le-ssl.conf

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Congratulations! You have successfully enabled https://www.example.com

You should test your configuration at:
https://www.ssllabs.com/ssltest/analyze.html?d=www.example.com
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IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/www.example.com/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/www.example.com/privkey.pem
   Your cert will expire on 2018-11-06. To obtain a new or tweaked
   version of this certificate in the future, simply run certbot-auto
   again with the "certonly" option. To non-interactively renew *all*
   of your certificates, run "certbot-auto renew"
 - If you like Certbot, please consider supporting our work by:

   Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
   Donating to EFF:                    https://eff.org/donate-le

# cat /etc/httpd/conf.d/virtualhost.conf

NameVirtualHost *:80
<VirtualHost *:80>
    ServerAdmin 管理者emailアドレス
    DocumentRoot www.example.com
    ServerName www.example.com
RewriteEngine on
RewriteCond %{SERVER_NAME} =
www.example.com RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]
</VirtualHost>

# cat /etc/httpd/conf.d/virtualhost-le-ssl.conf

<IfModule mod_ssl.c>
<VirtualHost *:443>
    ServerAdmin 管理者emailアドレス
    DocumentRoot /home/www/html
    ServerName www.example.com
SSLCertificateFile /etc/letsencrypt/live/www.example.com/cert.pem
SSLCertificateKeyFile /etc/letsencrypt/live/www.example.com/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf
SSLCertificateChainFile /etc/letsencrypt/live/www.example.com/chain.pem
</VirtualHost>
</IfModule>

# vi /etc/httpd/conf.d/ssl.conf
SSLCertificateFile /etc/letsencrypt/live/www.example.com/cert.pem
SSLCertificateKeyFile /etc/letsencrypt/live/www.example.com/privkey.pem
SSLCertificateChainFile /etc/letsencrypt/live/www.example.com/chain.pem

# systemctl restart httpd

# vi /etc/cron.d/letsencrypt
00 00 * * 0 root certbot-auto renew --post-hook "systemctl restart httpd & systemctl restart vsftpd"